linux-kernel - [PATCH net 2/5] net/mlx5e: Trim the length of the num

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Message-ID: <1762681073-1084058-3-git-send-email-tariqt@nvidia.com>
Date: Sun, 9 Nov 2025 11:37:50 +0200
From: Tariq Toukan <tariqt@...dia.com>
To: Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David
 S. Miller" <davem@...emloft.net>
CC: Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
	Tariq Toukan <tariqt@...dia.com>, Mark Bloch <mbloch@...dia.com>,
	<netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Gal Pressman <gal@...dia.com>, Cosmin Ratiu
	<cratiu@...dia.com>
Subject: [PATCH net 2/5] net/mlx5e: Trim the length of the num_doorbell error

From: Cosmin Ratiu <cratiu@...dia.com>

When trying to set num_doorbells to a value greater than the max number
of channels, the error message was going over the netlink limit of 80
chars, truncating the most important part of the message, the number of
channels.

Fix that by trimming the length a bit.

Fixes: 11bbcfb7668c ("net/mlx5e: Use the 'num_doorbells' devlink param")
Signed-off-by: Cosmin Ratiu <cratiu@...dia.com>
Reviewed-by: Dragos Tatulea <dtatulea@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/devlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index fceea83abbd7..887adf4807d1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -541,7 +541,7 @@ static int mlx5_devlink_num_doorbells_validate(struct devlink *devlink, u32 id,
 	max_num_channels = mlx5e_get_max_num_channels(mdev);
 	if (val32 > max_num_channels) {
 		NL_SET_ERR_MSG_FMT_MOD(extack,
-				       "Requested num_doorbells (%u) exceeds maximum number of channels (%u)",
+				       "Requested num_doorbells (%u) exceeds max number of channels (%u)",
 				       val32, max_num_channels);
 		return -EINVAL;
 	}
-- 
2.31.1